255/70r17 vs 33/12.50r20 Tire Comparison Table
Tire Size Comparison Visualizer
2477
17"
179
404 Revs/km
2632
20"
165
380 Revs/km
255
789
318
838
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Speedometer Error
(Set Size1 to OEM Size)
(Set Size1 to OEM Size)
| Speed | 10 km/h | 30 km/h | 50 km/h | 70 km/h | 90 km/h | 110 km/h | 130 km/h | 150 km/h |
|---|---|---|---|---|---|---|---|---|
| Actual | 10.6 | 31.8 | 53.0 | 74.2 | 95.4 | 116.6 | 137.8 | 159.0 |
| Speed Diff | 0.6 | 1.8 | 3.0 | 4.2 | 5.4 | 6.6 | 7.8 | 9.0 |
Ground Clearance Increased by 24.5
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Check out how the 255/70r17 differs in size from the 33/12.50r20
Would you like to upsize your tires?
The visuals and tables above illustrate the difference in dimensions between 255/70r17 and 33/12.50r20 tires.
By looking at a visual representation of the differences in tire diameter, width, sidewall height, circumference, revs per mile, and speed difference, it easy to compare the 255/70r17 and 33/12.50r20 tire sizes.
Besides, considering that 255/70r17 is the factory size, your vehicle’s speedometer shows the correct speed. Check out the chart with the possible speed difference should you decide to go with the 33/12.50r20 tires. It is strongly recommended to calibrate speedometer every time you upsize or downsize your tires.